CN203479827U - Digital displacement sensor used for antitheft of transformer - Google Patents
Digital displacement sensor used for antitheft of transformer Download PDFInfo
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- CN203479827U CN203479827U CN201320637795.8U CN201320637795U CN203479827U CN 203479827 U CN203479827 U CN 203479827U CN 201320637795 U CN201320637795 U CN 201320637795U CN 203479827 U CN203479827 U CN 203479827U
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Abstract
The utility model relates to a digital displacement sensor used for antitheft of a transformer. The digital displacement sensor used for the antitheft of the transformer comprises a shell and an electronic device. The electronic device comprises a triaxial digital acceleration sensor, a single-chip microcomputer controller, a wireless transceiver, a semiconductor electronic switch and a power supply. A signal port of the triaxial digital acceleration sensor is connected with an I/O port of the single-chip microcomputer controller; an interrupt signal-generating port of the triaxial digital acceleration sensor is connected with an interrupt port of the single-chip microcomputer controller; a signal port of the wireless transceiver is connected with the I/O port of the single-chip microcomputer controller; a power-supplying output terminal of the power supply is connected with power input ports of the triaxial digital acceleration sensor and the single-chip microcomputer controller; the power-supplying output terminal of the power supply is connected with the semiconductor electronic switch in series and then connected with a power input port of the wireless transceiver; and a switch control terminal of the semiconductor electronic switch is connected with the I/O port of the single-chip microcomputer controller. The digital displacement sensor is applied in anti-theft alarm devices.
Description
Technical field
The utility model relates to burglar alarm field, relates in particular to for distribution transformer theft digital displacement transducer used.
Background technology
A lot of areas in our country, transformer stealing is once once rampant, transformer suffers stealing not only to make electric power relevant departments suffer economic loss, cause great impact to enterprises and institutions and broad masses of the people's work, studying and living simultaneously, because the professional means of stealing and anti-theft measure is helpless, in the face of this situation, we sometimes feel simply helpless, and have also grown social bad common practice.
The destruction substation transformer occurring for backcountry, the event of theft transformer copper core, the patent of a number of patent application 201320435896.7 proposes a kind of burglar alarm and solves.In this burglar alarm, wireless displacement sensor used is one of them important building block.Although the wireless displacement sensor in this patent application case can adopt existing wireless displacement sensor on the market to realize, but existing wireless displacement sensor result volume is excessive on the market, target is too obvious, is easily subject to destroying in advance and is not easy to play antitheft object.
In order to tackle the problem of transformer anti-theft, consider burglar's psychology, our antitheft means can not be too obvious, because burglar comes with preparation, can not allow safety monitoring device obviously be damaged because of installation site.
Utility model content
Therefore, the utility model proposes little, the disguised strong wireless displacement sensor of a kind of overall volume is applied in above-mentioned burglar alarm.
The utility model is concrete adopts following technical scheme to realize:
For the digital displacement transducer of transformer anti-theft, comprise a housing and be arranged on the electron device in this housing.Wherein, electron device comprises three axle digital acceleration sensors, a singlechip controller, a wireless transceiver, a semiconductor electronic switch and a power supply, the signal port of this three axles digital acceleration sensor is connected with the I/O port of this singlechip controller, the interruption of this three axles digital acceleration sensor produces signal port and is connected with the interruptive port of this singlechip controller, the signal port of this wireless transceiver is connected with the I/O port of this singlechip controller, this Power supply output terminal is connected in the power input mouth of three axle digital acceleration sensors and singlechip controller, and this Power supply output terminal is also by being connected in series the power input mouth that is connected in wireless transceiver after this semiconductor electronic switch, the switch control end of this semiconductor electronic switch is connected in the I/O port of singlechip controller.
Preferably, this three axles digital acceleration sensor is three axle digital acceleration sensors of ADXL345 model.
Preferably, this singlechip controller is the singlechip controller of PIC16F883 model.
Preferably, this wireless transceiver is the wireless transceiver of CC1101 model.
Preferably, this power supply is lithium battery.
More miniaturization of sensor bulk of the present utility model, disguise are higher.Further, for considering the exposure problem of power lead and signal wire, this practicality information preferably adopts lithium battery power supply and wireless transceiver to carry out Wireless Data Transmission, has saved signal wire and power lead.And adopting on battery powered basis, must consider on power problems, in order to make sensor power consumption as far as possible low, under sensor stationary state, to allow it enter park mode, when having motion occur and surpass threshold value, can wake the concurrent alerting signal of sending up simultaneously, after being sent completely, when there is no change in location, enter again dormant state, thereby guarantee can reach the tenure of use of designing requirement in the situation that using battery.
To sum up, the utility model mainly has following technical advantage:
(1) use miniature technical grade sensor, overall volume is less than a matchbox, is arranged on transformer body and is difficult to be noted by people.Use powered battery, do not have cable to connect, look just as transformer body;
(2) adopt digital transducer, be different from the active electromagnetic displacement transducer of present use, realize the application of passive and wireless;
(3) change in location down trigger mechanism, real-time is stronger;
(4) detect when static and enter dormant state, save energy consumption.
Accompanying drawing explanation
Fig. 1 is the johning knot composition of each Electricity Functional device of an embodiment.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
Consult shown in Fig. 1, for the digital displacement transducer of an embodiment of transformer anti-theft, comprise a housing and be arranged on the electron device in this housing.Wherein, electron device comprises three axle digital acceleration sensors 1, a singlechip controller 2, a wireless transceiver 3, a semiconductor electronic switch 4 and a power supply 5, the signal port of this three axles digital acceleration sensor 1 is connected with the I/O port of this singlechip controller 2, the interruption of this three axles digital acceleration sensor 1 produces signal port and is connected with the interruptive port of this singlechip controller 2, the signal port of this wireless transceiver 3 is connected with the I/O port of this singlechip controller 2, these power supply 5 power supply output terminals are connected in power supply 5 input ports of three axle digital acceleration sensors 1 and singlechip controller 2, and this power supply 5 power supply output terminals are also by being connected in series power supply 5 input ports that are connected in wireless transceiver 3 after this semiconductor electronic switch 4, the switch control end of this semiconductor electronic switch 4 is connected in the I/O port of singlechip controller 2.
Preferably, this three axles digital acceleration sensor 1 is three axle digital acceleration sensors of ADXL345 model.Three number of axle word acceleration sensings 1 of this ADXL345 model are the placement data acquisition parts of whole sensor module, this three axles digital acceleration sensor 1 gathers X, Y, Z tri-axis data of current location, and host computer can pass through the relative position angle of X, Y, Z tri-axis data computing equipments.When the angle difference of twice detection data is greater than setting value, can think that being monitored object occurrence positions changes.
Preferably, the singlechip controller that this singlechip controller 2 is PIC16F883 models.The singlechip controller 2 of this PIC16F883 model is the control chip of whole sensor module, belongs to master control device in whole sensor module, by power supply 5, provides the work energy, relies on inner crystal oscillator running.Be responsible for and three axle digital acceleration sensor 1(ADXL345 models) and wireless transceiver 3(CC1101 model) data communication, in SPI mode, gather three axle digital acceleration sensor 1(ADXL345 models) in position data, in SPI mode, transmit data through wireless transceiver 3(CC1101 model) sending and receiving.
Preferably, the wireless transceiver that this wireless transceiver 3 is CC1101 models.The wireless transceiver 3 of CC1101 model is whole sensor module and extraneous bridge of linking up, and sensor module is communicated by letter with extraneous by the transceiving data of the wireless transceiver 3 of CC1101 model, is short-range radio communication certainly.It is the requisite work energy supply that needs power supply 5 to provide also.
Preferably, this power supply 5 is lithium batteries.Because the complete machine work energy consumption of whole sensor module is lower, and consider no signal line easy for installation, this power supply 5 is used the lithium battery of 3.6V/2200mAH, and its mission is the energy supply that maintains whole sensor module.
Three axle digital acceleration sensors 1, singlechip controller 2 and wireless transceiver 3 threes need cooperate just can complete required job requirement, the energy content of battery of considering power supply 5 is little, in this digital displacement sensor component detection when static, enter low-power consumption mode, singlechip controller 2 dormancy, wireless transceiver 3 power-off, three axle digital acceleration sensors 1 are responsible for this digital displacement sensor assembly by the static arousal function to motion state, so it can not power-off.
The principle of work of the digital displacement transducer of this embodiment is:
When sensor module is static: singlechip controller 2(PIC16F883) enter park mode, wireless transceiver 3(CC1101) power supply is controlled power-off, three axle digital acceleration sensor 1(ADXL345 by singlechip controller 2 by semiconductor electronic switch 4) detect and move.
Sensor module when motion: when sensor module by stationary state to motion state, this period three axle digital acceleration sensor 1(ADXL345) interruption produces signal port (being interrupt pin) and has level variation, this interrupts producing signal port is to be connected with the I/O port (RB2 pin) of singlechip controller 2, when having level to change, singlechip controller 2 wakes up, gather three axle digital acceleration sensor 1(ADXL345) position data, while wireless transceiver 3(CC1101) after power-up initializing, send the position data collecting.
The digital displacement transducer of this embodiment has advantages of that overall volume is little, disguised strong, can well be applied in the burglar alarm of transformer.Meanwhile, the digital displacement transducer of this embodiment also possesses versatility, can be applied in a lot of similar field, is used for protecting visual plant stolen, or is used for monitoring the situation that the visual plant in field is changed by Effect of Natural Disaster occurrence positions.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; within not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection domain of the present utility model.
Claims (3)
1. for the digital displacement transducer of transformer anti-theft, comprise a housing and be arranged on the electron device in this housing, it is characterized in that, electron device comprises three axle digital acceleration sensors, a singlechip controller, a wireless transceiver, a semiconductor electronic switch and a power supply, the signal port of this three axles digital acceleration sensor is connected with the I/O port of this singlechip controller, the interruption of this three axles digital acceleration sensor produces signal port and is connected with the interruptive port of this singlechip controller, the signal port of this wireless transceiver is connected with the I/O port of this singlechip controller, this Power supply output terminal is connected in the power input mouth of three axle digital acceleration sensors and singlechip controller, and this Power supply output terminal is also by being connected in series the power input mouth that is connected in wireless transceiver after this semiconductor electronic switch, the switch control end of this semiconductor electronic switch is connected in the I/O port of singlechip controller.
2. the digital displacement transducer for transformer anti-theft according to claim 1, is characterized in that: this three axles digital acceleration sensor is three axle digital acceleration sensors of ADXL345 model.
3. the digital displacement transducer for transformer anti-theft according to claim 1, is characterized in that: this power supply is lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320637795.8U CN203479827U (en) | 2013-10-16 | 2013-10-16 | Digital displacement sensor used for antitheft of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320637795.8U CN203479827U (en) | 2013-10-16 | 2013-10-16 | Digital displacement sensor used for antitheft of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479827U true CN203479827U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320637795.8U Expired - Fee Related CN203479827U (en) | 2013-10-16 | 2013-10-16 | Digital displacement sensor used for antitheft of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203479827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261132A (en) * | 2015-10-17 | 2016-01-20 | 北京普锐电子有限公司 | Transformer intelligent antitheft system |
| CN107250734A (en) * | 2015-02-17 | 2017-10-13 | 罗伯特·博世有限公司 | Sensor device |
-
2013
- 2013-10-16 CN CN201320637795.8U patent/CN203479827U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107250734A (en) * | 2015-02-17 | 2017-10-13 | 罗伯特·博世有限公司 | Sensor device |
| US10502595B2 (en) | 2015-02-17 | 2019-12-10 | Robert Bosch Gmbh | Sensor device |
| CN105261132A (en) * | 2015-10-17 | 2016-01-20 | 北京普锐电子有限公司 | Transformer intelligent antitheft system |
| CN105261132B (en) * | 2015-10-17 | 2018-05-15 | 北京普锐电子有限公司 | Intelligent transformer burglary-resisting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160825 Address after: 361021 04A unit, 14 floor, 370 Yi Cheng street, Jimei District, Fujian, Xiamen Patentee after: Sheng Environmental Technology (Xiamen) Co., Ltd. Address before: The Lake District of Xiamen City, Fujian province 361000 Wuyuan Bay waterway 617 Si Bao extension office building 4 layer 02A Patentee before: SHENGFA POWER TECHNOLOGY (XIAMEN) CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20181016 |